Added an extra sync token field for extra command buffer identification.

gpu/ipc/gpu_command_buffer_traits.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/ipc/gpu_command_buffer_traits.h"
 
 #include "gpu/command_buffer/common/mailbox_holder.h"
 #include "gpu/command_buffer/common/sync_token.h"
 #include "gpu/command_buffer/common/value_state.h"
 
@@ skipping 61 matching lines @@
   uint64_t command_buffer_id = 0;
   uint64_t release_count = 0;
 
   if (!ReadParam(m, iter, &verified_flush) ||
       !ReadParam(m, iter, &namespace_id) ||
       !ReadParam(m, iter, &command_buffer_id) ||
       !ReadParam(m, iter, &release_count)) {
     return false;
   }
 
-  p->Set(namespace_id, command_buffer_id, release_count);
+  p->Set(namespace_id, 0, command_buffer_id, release_count);
   if (p->HasData()) {
     if (!verified_flush)
       return false;
     p->SetVerifyFlush();
   }
 
   return true;
 }
 
 void ParamTraits<gpu::SyncToken>::Log(const param_type& p, std::string* l) {
@@ skipping 65 matching lines @@
   l->append("<ValueState (");
   for (int value : p.int_value)
     *l += base::StringPrintf("%i ", value);
   l->append(" int values ");
   for (float value : p.float_value)
     *l += base::StringPrintf("%f ", value);
   l->append(" float values)>");
 }
 
 }  // namespace IPC